Hair dryer



FIG. 1 is a perspective view of the hair dryer;

FIG. 2 is a side view of the hair dryer of FIG. 1;

FIG. 3 is a front plan view of the hair dryer of FIG. 1;

FIG. 4 is a rear plan view of the hair dryer of FIG. 1;

FIG. 5 is a top view of the hair dryer of FIG. 1; and,

FIG. 6 is a bottom view of the hair dryer of FIG. 1. 

The ornamental design for a hair dryer, as shown and described. 